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Same day fulfillment on orders placed before 3 pm CST M-F.
Same day fulfillment on orders placed before 3 pm CST M-F.

Activated Quercetin Capsules by Source Naturals

SKU SNA1005
Original price $0.00 - Original price $21.25
Original price
$21.25
$0.00 - $21.25
Current price $21.25
Availability:
in stock, ready to be shipped
Availability:
Out of stock
Availability:
Out of stock
UPC: 021078016892, 21078016908, 21078016915
Heat Sensitive Product: No
Manufacturer's Item Number: SN1689 | SN1690 | SN1691
Amount: 50 | 100 | 200 Capsules
Restrictions:
Size: 50 capsules

Delivery time

Most standard shipping orders arrive in 1-4 business days.
2 Day Shipping
Fast Free Shipping - Orders over $30
? Orders ship the same day if ordered before 3:00pm CST and most orders arrive in 2-4 business days. Shipping times are not guaranteed.

Activated Quercetin Capsules by Source Naturals is a targeted bioflavonoid complex combining high-potency quercetin with bromelain, vitamin C, and magnesium to support seasonal immune balance and respiratory health. This clinical-grade formulation synergizes plant-derived antioxidants with proteolytic enzymes to regulate histamine response and promote vascular wall integrity.

Key Health Benefits of Activated Quercetin Capsules by Source Naturals

  • Seasonal Immune & Histamine Response: Helps stabilize mast cell membranes and modulate histamine release, supporting comfortable nasal and respiratory passage function.

  • Synergistic Antioxidant Defense: Delivers 1,000 mg of quercetin alongside 788 mg of ascorbic acid (Vitamin C) to neutralize free radicals and preserve cellular structural health.

  • Proteolytic Enzyme Synergy: Features bromelain to facilitate protein breakdown, enhance tissue recovery, and significantly boost the systemic absorption of quercetin.

  • Endothelial & Vascular Support: Promotes capillary strength and microvascular integrity by maintaining healthy nitric oxide signaling and blood vessel permeability.

How It Works & Biological Mechanism

Quercetin is a naturally derived bioflavonoid that exerts its physiological effects by inhibiting key inflammatory enzymes, including lipoxygenase (LOX) and cyclooxygenase (COX), while stabilizing immune cell membranes against degranulation. However, quercetin alone typically exhibits poor oral bioavailability due to its lipophilic nature and limited intestinal transport across epithelial cells.

This formula overcomes kinetic absorption barriers by pairing quercetin with bromelain—a plant-derived proteolytic enzyme from pineapple stem—which enhances mucosal permeability and active cellular uptake. Furthermore, high-dose Vitamin C works as a potent reducing agent, helping regenerate oxidized quercetin back into its active antioxidant state while simultaneously reinforcing collagen synthesis across connective tissue barriers.

Quality, Purity & Dietary Standards

  • Potent Synergistic Complex: Formulated with complementary cofactors (Vitamin C, Bromelain, and Magnesium) to optimize bioflavonoid utilization.

  • Purity & Safety Standard: Sourced without artificial colors, flavors, or synthetic preservatives.

  • Quality Assured Manufacturing: Produced in accordance with current Good Manufacturing Practices (cGMP) for consistent quality and potency.

  • Clean Formulation: Formulated without common allergens including yeast, dairy, egg, gluten, corn, soy, or wheat.

Frequently Asked Questions

Why is quercetin combined with bromelain and Vitamin C in this formula?

Bromelain and Vitamin C significantly increase quercetin bioavailability while offering synergistic biological actions. Bromelain acts as a proteolytic driver that improves bioflavonoid absorption through the intestinal wall, while Vitamin C recycled quercetin to sustain its antioxidant activity within vascular and immune tissues.

When is the best time to take Activated Quercetin Capsules?

Taking capsules between meals offers maximum absorption of both quercetin and bromelain into systemic circulation. However, for individuals with sensitive digestive systems, taking the capsules alongside a light meal minimizes potential stomach irritation without sacrificing efficacy.

Can Activated Quercetin be taken year-round or only seasonally?

Activated Quercetin can be used daily or seasonally depending on individual wellness goals. While many utilize it during environmental or seasonal changes to support nasal and ocular comfort, others take it continuously to promote vascular health and ongoing antioxidant protection.

These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

Suggested Use:
3 capsules 1 to 2 times daily in divided doses, between meals. If you have a delicate, easily irritated stomach, take with meals.

Ingredients:
Vitamin C (ascorbic acid) 788 mg
Magnesium 50 mg
Magnesium Citrate 50 mg
Quercetin 1000 mg
Bromelain 300 mg

Other Ingredients: gelatin (capsule) and magnesium stearate.

Dietary considerations:
Gluten free
Dairy free
Soy free
Egg free
Wheat free
Yeast free
Sugar free
Preservative free
Artificial Color / Colour Free
Artificial Flavor / Flavour Free

Warnings:
If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children.

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